diff --git a/_data/chains/eip155-1008.json b/_data/chains/eip155-1008.json
new file mode 100644
index 00000000..9931f8c5
--- /dev/null
+++ b/_data/chains/eip155-1008.json
@@ -0,0 +1,28 @@
+{
+    "name":"Eurus Mainnet",
+    "chain":"EUN",
+    "network":"eurus",
+    "rpc":[
+       "https://mainnet.eurus.network/"
+    ],
+    "faucets":[
+    ],
+    "nativeCurrency":{
+       "name":"Eurus",
+       "symbol":"EUN",
+       "decimals":18
+    },
+    "infoURL":"https://eurus.network",
+    "shortName":"eun",
+    "chainId":1008,
+    "networkId":1008,
+    "icon":"eurus",
+    "explorers":[
+       {
+          "name":"eurusexplorer",
+          "url":"https://explorer.eurus.network",
+          "icon":"eurus",
+          "standard":"none"
+       }
+    ]
+ }
\ No newline at end of file
diff --git a/_data/chains/eip155-11155111.json b/_data/chains/eip155-11155111.json
index 2db2d033..35e6e361 100644
--- a/_data/chains/eip155-11155111.json
+++ b/_data/chains/eip155-11155111.json
@@ -2,9 +2,11 @@
   "name": "Sepolia",
   "title": "Ethereum Testnet Sepolia",
   "chain": "ETH",
+  "network": "testnet",
   "rpc": [
   ],
   "faucets": [
+    "http://fauceth.komputing.org?chain=11155111&address=${ADDRESS}"
   ],
   "nativeCurrency": {
     "name": "Sepolia Ether",
diff --git a/_data/chains/eip155-1337.json b/_data/chains/eip155-1337.json
index abba4e07..b30f09d2 100644
--- a/_data/chains/eip155-1337.json
+++ b/_data/chains/eip155-1337.json
@@ -1,24 +1,16 @@
 {
-    "name": "CENNZnet Azalea",
-    "chain": "CENNZnet",
-    "network": "azalea",
-    "rpc": [
-      "https://cennznet.unfrastructure.io/public"
-    ],
-    "faucets": [],
-    "nativeCurrency": {
-      "name": "CPAY",
-      "symbol": "CPAY",
-      "decimals": 18
-    },
-    "infoURL": "https://cennz.net",
-    "shortName": "cennz-a",
-    "chainId": 1337,
-    "networkId": 1337,
-    "icon": "cennz",
-    "explorers": [{
-      "name": "UNcover",
-      "url": "https://uncoverexplorer.com",
-      "standard": "none"
-    }]
-  }
\ No newline at end of file
+  "name": "CENNZnet old",
+  "chain": "CENNZnet",
+  "rpc": [],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "CPAY",
+    "symbol": "CPAY",
+    "decimals": 18
+  },
+  "infoURL": "https://cennz.net",
+  "shortName": "cennz-old",
+  "chainId": 1337,
+  "networkId": 1337,
+  "deprecated": true
+}
\ No newline at end of file
diff --git a/_data/chains/eip155-16001.json b/_data/chains/eip155-16001.json
index 9727cebc..64d0a66a 100644
--- a/_data/chains/eip155-16001.json
+++ b/_data/chains/eip155-16001.json
@@ -9,7 +9,7 @@
     ],
     "nativeCurrency": {
       "name": "MetaDot Token TestNet",
-      "symbol": "MTT-test",
+      "symbol": "MTTest",
       "decimals": 18
     },
     "infoURL": "https://metadot.network",
diff --git a/_data/chains/eip155-1666600000.json b/_data/chains/eip155-1666600000.json
index 0a19b696..0052bd66 100644
--- a/_data/chains/eip155-1666600000.json
+++ b/_data/chains/eip155-1666600000.json
@@ -2,7 +2,8 @@
   "name": "Harmony Mainnet Shard 0",
   "chain": "Harmony",
   "rpc": [
-    "https://api.harmony.one"
+    "https://api.harmony.one",
+    "https://api.s0.t.hmny.io"
   ],
   "faucets": ["https://free-online-app.com/faucet-for-eth-evm-chains/"],
   "nativeCurrency": {
diff --git a/_data/chains/eip155-1666600001.json b/_data/chains/eip155-1666600001.json
index 4c7330bc..8f6613ff 100644
--- a/_data/chains/eip155-1666600001.json
+++ b/_data/chains/eip155-1666600001.json
@@ -2,7 +2,7 @@
   "name": "Harmony Mainnet Shard 1",
   "chain": "Harmony",
   "rpc": [
-    "https://s1.api.harmony.one"
+    "https://api.s1.t.hmny.io"
   ],
   "faucets": [
   ],
diff --git a/_data/chains/eip155-1666600002.json b/_data/chains/eip155-1666600002.json
index 5b0b933d..be5f1223 100644
--- a/_data/chains/eip155-1666600002.json
+++ b/_data/chains/eip155-1666600002.json
@@ -2,7 +2,7 @@
   "name": "Harmony Mainnet Shard 2",
   "chain": "Harmony",
   "rpc": [
-    "https://s2.api.harmony.one"
+    "https://api.s2.t.hmny.io"
   ],
   "faucets": [
   ],
diff --git a/_data/chains/eip155-1666600003.json b/_data/chains/eip155-1666600003.json
index 3bf7e72c..50bf2f62 100644
--- a/_data/chains/eip155-1666600003.json
+++ b/_data/chains/eip155-1666600003.json
@@ -2,7 +2,7 @@
   "name": "Harmony Mainnet Shard 3",
   "chain": "Harmony",
   "rpc": [
-    "https://s3.api.harmony.one"
+    "https://api.s3.t.hmny.io"
   ],
   "faucets": [
   ],
diff --git a/_data/chains/eip155-1688.json b/_data/chains/eip155-1688.json
new file mode 100644
index 00000000..a70f580a
--- /dev/null
+++ b/_data/chains/eip155-1688.json
@@ -0,0 +1,18 @@
+{
+  "name": "LUDAN Mainnet",
+  "chain": "LUDAN",
+  "rpc": [
+    "https://rpc.ludan.org/"
+  ],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "LUDAN",
+    "symbol": "LUDAN",
+    "decimals": 18
+  },
+  "infoURL": "https://www.ludan.org/",
+  "shortName": "LUDAN",
+  "icon": "ludan",
+  "chainId": 1688,
+  "networkId": 1688
+}
diff --git a/_data/chains/eip155-1984.json b/_data/chains/eip155-1984.json
new file mode 100644
index 00000000..f0a94680
--- /dev/null
+++ b/_data/chains/eip155-1984.json
@@ -0,0 +1,28 @@
+{
+    "name":"Eurus Testnet",
+    "chain":"EUN",
+    "network":"eurus-testnet",
+    "rpc":[
+       "https://testnet.eurus.network"
+    ],
+    "faucets":[
+    ],
+    "nativeCurrency":{
+       "name":"Eurus",
+       "symbol":"EUN",
+       "decimals":18
+    },
+    "infoURL":"https://eurus.network",
+    "shortName":"euntest",
+    "chainId":1984,
+    "networkId":1984,
+    "icon":"eurus",
+    "explorers":[
+       {
+          "name":"testnetexplorer",
+          "url":"https://testnetexplorer.eurus.network",
+          "icon":"eurus",
+          "standard":"none"
+       }
+    ]
+ }
\ No newline at end of file
diff --git a/_data/chains/eip155-2001.json b/_data/chains/eip155-2001.json
index 770880d7..65a69bda 100644
--- a/_data/chains/eip155-2001.json
+++ b/_data/chains/eip155-2001.json
@@ -10,7 +10,7 @@
   "faucets": [],
   "nativeCurrency": {
     "name": "milkAda",
-    "symbol": "milkAda",
+    "symbol": "mADA",
     "decimals": 18
   },
   "infoURL": "https://milkomeda.com",
@@ -24,4 +24,4 @@
       "standard": "none"
     }
   ]
-}
\ No newline at end of file
+}
diff --git a/_data/chains/eip155-200101.json b/_data/chains/eip155-200101.json
index 0e5dee2d..00395c65 100644
--- a/_data/chains/eip155-200101.json
+++ b/_data/chains/eip155-200101.json
@@ -10,7 +10,7 @@
   "faucets": [],
   "nativeCurrency": {
     "name": "milkTAda",
-    "symbol": "milkTAda",
+    "symbol": "mTAda",
     "decimals": 18
   },
   "infoURL": "https://milkomeda.com",
@@ -24,4 +24,4 @@
       "standard": "none"
     }
   ]
-}
\ No newline at end of file
+}
diff --git a/_data/chains/eip155-201018.json b/_data/chains/eip155-201018.json
index 560137ef..6bc3aa07 100644
--- a/_data/chains/eip155-201018.json
+++ b/_data/chains/eip155-201018.json
@@ -3,7 +3,7 @@
   "chain": "Alaya",
   "rpc": [
     "https://openapi.alaya.network/rpc",
-	"wss://openapi.alaya.network/ws"
+    "wss://openapi.alaya.network/ws"
   ],
   "faucets": [],
   "nativeCurrency": {
diff --git a/_data/chains/eip155-210425.json b/_data/chains/eip155-210425.json
index 21b73ff8..64be201c 100644
--- a/_data/chains/eip155-210425.json
+++ b/_data/chains/eip155-210425.json
@@ -4,7 +4,7 @@
   "network": "mainnet",
   "rpc": [
     "https://openapi.platon.network/rpc",
-	"wss://openapi.platon.network/ws"
+    "wss://openapi.platon.network/ws"
   ],
   "faucets": [],
   "nativeCurrency": {
diff --git a/_data/chains/eip155-21337.json b/_data/chains/eip155-21337.json
new file mode 100644
index 00000000..cb352546
--- /dev/null
+++ b/_data/chains/eip155-21337.json
@@ -0,0 +1,24 @@
+{
+    "name": "CENNZnet Azalea",
+    "chain": "CENNZnet",
+    "network": "azalea",
+    "rpc": [
+      "https://cennznet.unfrastructure.io/public"
+    ],
+    "faucets": [],
+    "nativeCurrency": {
+      "name": "CPAY",
+      "symbol": "CPAY",
+      "decimals": 18
+    },
+    "infoURL": "https://cennz.net",
+    "shortName": "cennz-a",
+    "chainId": 21337,
+    "networkId": 21337,
+    "icon": "cennz",
+    "explorers": [{
+      "name": "UNcover",
+      "url": "https://uncoverexplorer.com",
+      "standard": "none"
+    }]
+  }
\ No newline at end of file
diff --git a/_data/chains/eip155-210309.json b/_data/chains/eip155-2203181.json
similarity index 89%
rename from _data/chains/eip155-210309.json
rename to _data/chains/eip155-2203181.json
index aed0e533..8d0afe0b 100644
--- a/_data/chains/eip155-210309.json
+++ b/_data/chains/eip155-2203181.json
@@ -3,7 +3,7 @@
   "chain": "PlatON",
   "rpc": [
     "https://devnetopenapi.platon.network/rpc",
-	"wss://devnetopenapi.platon.network/ws"
+    "wss://devnetopenapi.platon.network/ws"
   ],
   "faucets": [
   "https://faucet.platon.network/faucet/?id=e5d32df10aee11ec911142010a667c03"
@@ -15,7 +15,7 @@
   },
   "infoURL": "https://www.platon.network",
   "shortName": "platondev",
-  "chainId": 210309,
+  "chainId": 2203181,
   "networkId": 1,
   "icon": "platon",
   "explorers": [
diff --git a/_data/chains/eip155-3.json b/_data/chains/eip155-3.json
index 1857ee89..cd487bb1 100644
--- a/_data/chains/eip155-3.json
+++ b/_data/chains/eip155-3.json
@@ -2,6 +2,7 @@
   "name": "Ropsten",
   "title": "Ethereum Testnet Ropsten",
   "chain": "ETH",
+  "network": "testnet",
   "rpc": [
     "https://ropsten.infura.io/v3/${INFURA_API_KEY}",
     "wss://ropsten.infura.io/ws/v3/${INFURA_API_KEY}"
diff --git a/_data/chains/eip155-300.json b/_data/chains/eip155-300.json
new file mode 100644
index 00000000..fb5b4f86
--- /dev/null
+++ b/_data/chains/eip155-300.json
@@ -0,0 +1,24 @@
+{
+  "name": "Optimism on Gnosis Chain",
+  "chain": "OGC",
+  "rpc": [
+    "https://optimism.gnosischain.com",
+    "wss://optimism.gnosischain.com/wss"
+  ],
+  "faucets": ["https://faucet.gimlu.com/gnosis"],
+  "nativeCurrency": {
+    "name": "xDAI",
+    "symbol": "xDAI",
+    "decimals": 18
+  },
+  "infoURL": "https://www.xdaichain.com/for-developers/optimism-optimistic-rollups-on-gc",
+  "shortName": "ogc",
+  "chainId": 300,
+  "networkId": 300,
+  "explorers": [{
+    "name": "blockscout",
+    "url": "https://blockscout.com/xdai/optimism",
+    "icon": "blockscout",
+    "standard": "EIP3091"
+  }]
+}
diff --git a/_data/chains/eip155-385.json b/_data/chains/eip155-385.json
index afb79bac..30c74158 100644
--- a/_data/chains/eip155-385.json
+++ b/_data/chains/eip155-385.json
@@ -9,11 +9,11 @@
   ],
   "nativeCurrency": {
     "name": "Lisinski Ether",
-    "symbol": "LISINSKI",
+    "symbol": "LISINS",
     "decimals": 18
   },
   "infoURL": "https://lisinski.online",
   "shortName": "lisinski",
   "chainId": 385,
   "networkId": 385
-}
\ No newline at end of file
+}
diff --git a/_data/chains/eip155-4.json b/_data/chains/eip155-4.json
index 341b245e..84c77276 100644
--- a/_data/chains/eip155-4.json
+++ b/_data/chains/eip155-4.json
@@ -2,6 +2,7 @@
   "name": "Rinkeby",
   "title": "Ethereum Testnet Rinkeby",
   "chain": "ETH",
+  "network": "testnet",
   "rpc": [
     "https://rinkeby.infura.io/v3/${INFURA_API_KEY}",
     "wss://rinkeby.infura.io/ws/v3/${INFURA_API_KEY}"
diff --git a/_data/chains/eip155-42.json b/_data/chains/eip155-42.json
index 4f2fef1b..cb231a53 100644
--- a/_data/chains/eip155-42.json
+++ b/_data/chains/eip155-42.json
@@ -2,6 +2,7 @@
   "name": "Kovan",
   "title": "Ethereum Testnet Kovan",
   "chain": "ETH",
+  "network": "testnet",
   "rpc": [
     "https://kovan.poa.network",
     "http://kovan.poa.network:8545",
diff --git a/_data/chains/eip155-5.json b/_data/chains/eip155-5.json
index 70c1cec9..51269407 100644
--- a/_data/chains/eip155-5.json
+++ b/_data/chains/eip155-5.json
@@ -2,6 +2,7 @@
   "name": "Görli",
   "title": "Ethereum Testnet Görli",
   "chain": "ETH",
+  "network": "testnet",
   "rpc": [
     "https://goerli.infura.io/v3/${INFURA_API_KEY}",      
     "wss://goerli.infura.io/v3/${INFURA_API_KEY}",      
diff --git a/_data/chains/eip155-58.json b/_data/chains/eip155-58.json
index abfaabef..fc081b15 100644
--- a/_data/chains/eip155-58.json
+++ b/_data/chains/eip155-58.json
@@ -2,25 +2,31 @@
   "name": "Ontology Mainnet",
   "chain": "Ontology",
   "rpc": [
-    "https://dappnode1.ont.io:20339",
-    "https://dappnode2.ont.io:20339",
-    "https://dappnode3.ont.io:20339",
-    "https://dappnode4.ont.io:20339"
+    "http://dappnode1.ont.io:20339",
+    "http://dappnode2.ont.io:20339",
+    "http://dappnode3.ont.io:20339",
+    "http://dappnode4.ont.io:20339",
+    "https://dappnode1.ont.io:10339",
+    "https://dappnode2.ont.io:10339",
+    "https://dappnode3.ont.io:10339",
+    "https://dappnode4.ont.io:10339"
   ],
   "faucets": [
   ],
   "nativeCurrency": {
     "name": "ONG",
     "symbol": "ONG",
-    "decimals": 9
+    "decimals": 18
   },
   "infoURL": "https://ont.io/",
   "shortName": "Ontology Mainnet",
   "chainId": 58,
   "networkId": 58,
-  "explorers": [{
-    "name": "explorer",
-    "url": "https://explorer.ont.io",
-    "standard": "EIP3091"
-  }]
+  "explorers": [
+    {
+      "name": "explorer",
+      "url": "https://explorer.ont.io",
+      "standard": "EIP3091"
+    }
+  ]
 }
diff --git a/_data/chains/eip155-5851.json b/_data/chains/eip155-5851.json
index 5ebaa18c..a5611eba 100644
--- a/_data/chains/eip155-5851.json
+++ b/_data/chains/eip155-5851.json
@@ -2,10 +2,14 @@
   "name": "Ontology Testnet",
   "chain": "Ontology",
   "rpc": [
-    "https://polaris1.ont.io:20339",
-    "https://polaris2.ont.io:20339",
-    "https://polaris3.ont.io:20339",
-    "https://polaris4.ont.io:20339"
+    "http://polaris1.ont.io:20339",
+    "http://polaris2.ont.io:20339",
+    "http://polaris3.ont.io:20339",
+    "http://polaris4.ont.io:20339",
+    "https://polaris1.ont.io:10339",
+    "https://polaris2.ont.io:10339",
+    "https://polaris3.ont.io:10339",
+    "https://polaris4.ont.io:10339"
   ],
   "faucets": [
     "https://developer.ont.io/"
@@ -13,7 +17,7 @@
   "nativeCurrency": {
     "name": "ONG",
     "symbol": "ONG",
-    "decimals": 9
+    "decimals": 18
   },
   "infoURL": "https://ont.io/",
   "shortName": "Ontology Testnet",
diff --git a/_data/chains/eip155-700.json b/_data/chains/eip155-700.json
new file mode 100644
index 00000000..bddac1cc
--- /dev/null
+++ b/_data/chains/eip155-700.json
@@ -0,0 +1,23 @@
+{
+    "name": "Star Social Testnet",
+    "chain": "SNS",
+    "rpc": [
+      "https://avastar.cc/ext/bc/C/rpc"
+    ],
+    "faucets": [
+    ],
+    "nativeCurrency": {
+      "name": "Social",
+      "symbol": "SNS",
+      "decimals": 18
+    },
+    "infoURL": "https://info.avastar.cc",
+    "shortName": "SNS",
+    "chainId": 700,
+    "networkId": 700,
+    "explorers": [{
+      "name": "starscan",
+      "url": "https://avastar.info",
+      "standard": "EIP3091"
+    }]
+  }
\ No newline at end of file
diff --git a/_data/chains/eip155-79.json b/_data/chains/eip155-79.json
new file mode 100644
index 00000000..d2e5f343
--- /dev/null
+++ b/_data/chains/eip155-79.json
@@ -0,0 +1,24 @@
+{
+    "name": "Zenith Mainnet",
+    "chain": "Zenith",
+    "rpc": [
+      "https://dataserver-1.zenithchain.co/",
+      "https://dataserver-us-1.zenithchain.co/"
+    ],
+    "faucets": [],
+    "nativeCurrency": {
+      "name": "ZENITH",
+      "symbol": "ZENITH",
+      "decimals": 18
+    },
+    "infoURL": "https://www.zenithchain.co/",
+    "chainId": 79,
+    "networkId": 79,
+    "shortName": "zenith",
+    "explorers": [{
+      "name": "zenith scan",
+      "url": "https://scan.zenithchain.co",
+      "standard": "EIP3091"
+    }]
+  }
+  
\ No newline at end of file
diff --git a/_data/chains/eip155-81.json b/_data/chains/eip155-81.json
new file mode 100644
index 00000000..ad8537fb
--- /dev/null
+++ b/_data/chains/eip155-81.json
@@ -0,0 +1,23 @@
+{
+    "name": "Villinius",
+    "chain": "Zenith",
+    "rpc": [
+      "https://vilinius.zenithchain.co/http"
+    ],
+    "faucets": ["https://faucet.zenithchain.co/"],
+    "nativeCurrency": {
+      "name": "Villinius",
+      "symbol": "VIL",
+      "decimals": 18
+    },
+    "infoURL": "https://www.zenithchain.co/",
+    "chainId": 81,
+    "networkId": 81,
+    "shortName": "VIL",
+    "explorers": [{
+      "name": "villinius zenith scan",
+      "url": "https://vilinius.scan.zenithchain.co",
+      "standard": "EIP3091"
+    }]
+  }
+  
\ No newline at end of file
diff --git a/_data/chains/eip155-9000.json b/_data/chains/eip155-9000.json
index dfc5cb85..4e9e3cca 100644
--- a/_data/chains/eip155-9000.json
+++ b/_data/chains/eip155-9000.json
@@ -1,7 +1,7 @@
 {
   "name": "Evmos Testnet",
   "chain": "Evmos",
-  "rpc": ["https://evmos-archive-testnet.api.bdnodes.net:8545"],
+  "rpc": ["https://eth.bd.evmos.dev:8545"],
   "faucets": ["https://faucet.evmos.dev"],
   "nativeCurrency": {
     "name": "test-Evmos",
@@ -15,9 +15,9 @@
   "icon": "evmos",
   "explorers": [
     {
-      "name": "Evmos EVM Explorer (Blockscout)",
+      "name": "Evmos EVM Explorer",
       "url": "https://evm.evmos.dev",
-      "standard": "none",
+      "standard": "EIP3091",
       "icon": "evmos"
     },
     {
diff --git a/_data/icons/cennz.json b/_data/icons/cennz.json
index 472558f4..a76e74ff 100644
--- a/_data/icons/cennz.json
+++ b/_data/icons/cennz.json
@@ -1,7 +1,6 @@
 [
-    {
-      "url":"ipfs://QmfDkgrhCFfVJErVVDuU7UYasYsooXMEXFhBzLMNm6pgey",
-      "format":"svg"
-    }
-  ]
-  
\ No newline at end of file
+  {
+    "url": "ipfs://QmWhNm7tTi6SYbiumULDRk956hxgqaZSX77vcxBNn8fvnw",
+    "format": "svg"
+  }
+]
\ No newline at end of file
diff --git a/_data/icons/eurus.json b/_data/icons/eurus.json
new file mode 100644
index 00000000..e45a43bc
--- /dev/null
+++ b/_data/icons/eurus.json
@@ -0,0 +1,8 @@
+[
+    {
+        "url":"ipfs://QmaGd5L9jGPbfyGXBFhu9gjinWJ66YtNrXq8x6Q98Eep9e",
+        "width":471,
+        "height":471,
+        "format":"svg"
+    }
+]
\ No newline at end of file
diff --git a/_data/icons/eurusexplorer.json b/_data/icons/eurusexplorer.json
new file mode 100644
index 00000000..e45a43bc
--- /dev/null
+++ b/_data/icons/eurusexplorer.json
@@ -0,0 +1,8 @@
+[
+    {
+        "url":"ipfs://QmaGd5L9jGPbfyGXBFhu9gjinWJ66YtNrXq8x6Q98Eep9e",
+        "width":471,
+        "height":471,
+        "format":"svg"
+    }
+]
\ No newline at end of file
diff --git a/_data/icons/evmos.json b/_data/icons/evmos.json
index 88a52748..f33dbfef 100644
--- a/_data/icons/evmos.json
+++ b/_data/icons/evmos.json
@@ -1,8 +1,8 @@
 [
   {
-    "url": "ipfs://Qmc4nHKSTgRwhpc5gpUnd7cQb7ooUgkcMxSbJcDAjJqx6T",
-    "width": 1000,
-    "height": 620,
-    "format": "svg"
+    "url": "ipfs://QmeZW6VKUFTbz7PPW8PmDR3ZHa6osYPLBFPnW8T5LSU49c",
+    "width": 400,
+    "height": 400,
+    "format": "png"
   }
-]
\ No newline at end of file
+]
diff --git a/_data/icons/ludan.json b/_data/icons/ludan.json
new file mode 100644
index 00000000..673497de
--- /dev/null
+++ b/_data/icons/ludan.json
@@ -0,0 +1,8 @@
+[
+  {
+    "url": "ipfs://bafkreigzeanzqgxrzzep45t776ovbwi242poqxbryuu2go5eedeuwwcsay",
+    "width": 512,
+    "height": 512,
+    "format": "png"
+  }
+]
diff --git a/build.gradle b/build.gradle
index 733d6a10..9328f8a0 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,6 +1,6 @@
 buildscript {
     ext {
-        KOTLIN_VERSION = "1.6.10"
+        KOTLIN_VERSION = "1.6.20"
         KETHEREUM_VERSION = "0.85.7"
     }
 
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index d7e66b5c..92f06b50 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.4.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.4.2-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/model/build.gradle.kts b/model/build.gradle.kts
index e6b83b76..23f0e50a 100644
--- a/model/build.gradle.kts
+++ b/model/build.gradle.kts
@@ -1,5 +1,5 @@
 plugins {
-    id("com.google.devtools.ksp").version("1.6.10-1.0.2")
+    id("com.google.devtools.ksp").version("1.6.20-1.0.5")
     id("maven-publish")
 }
 
diff --git a/processor/src/main/kotlin/org/ethereum/lists/chains/Main.kt b/processor/src/main/kotlin/org/ethereum/lists/chains/Main.kt
index ace5915c..786f9352 100644
--- a/processor/src/main/kotlin/org/ethereum/lists/chains/Main.kt
+++ b/processor/src/main/kotlin/org/ethereum/lists/chains/Main.kt
@@ -171,6 +171,29 @@ fun checkChain(chainFile: File, connectRPC: Boolean) {
         }
     }
 
+    jsonObject["nativeCurrency"]?.let {
+        if (it !is JsonObject) {
+            throw NativeCurrencyMustBeObject()
+        }
+        val symbol = it["symbol"]
+        if (symbol !is String) {
+            throw NativeCurrencySymbolMustBeString()
+        }
+
+        if (symbol.length >= 7) {
+            throw NativeCurrencySymbolMustHaveLessThan7Chars()
+        }
+        if (it.keys != setOf("symbol","decimals","name")) {
+            throw NativeCurrencyCanOnlyHaveSymbolNameAndDecimals()
+        }
+        if (it["decimals"] !is Int) {
+            throw NativeCurrencyDecimalMustBeInt()
+        }
+        if (it["name"] !is String) {
+            throw NativeCurrencyNameMustBeString()
+        }
+    }
+
     jsonObject["explorers"]?.let {
         if (it !is JsonArray<*>) {
             throw (ExplorersMustBeArray())
diff --git a/processor/src/main/kotlin/org/ethereum/lists/chains/model/Exceptions.kt b/processor/src/main/kotlin/org/ethereum/lists/chains/model/Exceptions.kt
index 522e9eb2..f02e62da 100644
--- a/processor/src/main/kotlin/org/ethereum/lists/chains/model/Exceptions.kt
+++ b/processor/src/main/kotlin/org/ethereum/lists/chains/model/Exceptions.kt
@@ -26,4 +26,10 @@ class ParentBridgeNoArray: Exception("parent bridge must be array")
 class BridgeNoObject: Exception("parent bridges must be array consisting of json objects")
 class BridgeOnlyURL: Exception("parent bridge only contain an URL")
 class ParentChainDoesNotExist(chain: String): Exception("Referenced parent chain ($chain) does not exist")
-class DeprecatedMustBeBoolean: Exception("deprecated must be boolean")
\ No newline at end of file
+class DeprecatedMustBeBoolean: Exception("deprecated must be boolean")
+class NativeCurrencyMustBeObject: Exception("Native currency must be object")
+class NativeCurrencySymbolMustBeString: Exception("Native currency symbol must be string")
+class NativeCurrencySymbolMustHaveLessThan7Chars: Exception("Native currency symbol must have less than 7 chars")
+class NativeCurrencyCanOnlyHaveSymbolNameAndDecimals: Exception("Native currency can only have symbol decimals and name")
+class NativeCurrencyDecimalMustBeInt: Exception("Native currency decimals must be int")
+class NativeCurrencyNameMustBeString: Exception("Native currency name must be string")
\ No newline at end of file